Use synthetic division to divide. $\left( 12 + 5 x ^ { 3 } - 11 x - 18 x ^ { 2 } \right) \div ( x - 4 )$
A) $5 x ^ { 2 } + 2 x - 3$
B) $5 x ^ { 2 } - 7 x + 12$
C) $5 x ^ { 2 } + 2 x + 5$
D) $5 x ^ { 2 } - 23 x - 15$
E) $5 x ^ { 2 } + x - 4$

Question

Use synthetic division to divide. $\left( 12 + 5 x ^ { 3 } - 11 x - 18 x ^ { 2 } \right) \div ( x - 4 )$
A)​ $5 x ^ { 2 } + 2 x - 3$
B)​ $5 x ^ { 2 } - 7 x + 12$
C) $5 x ^ { 2 } + 2 x + 5$
D) $5 x ^ { 2 } - 23 x - 15$
E) $5 x ^ { 2 } + x - 4$

Quizplus · Accepted Answer

Synthetic division of $12 + 5x^3 - 11x - 18x^2$ by $x - 4$ gives the quotient $5x^2 + 2x - 3$, making choice A correct.

Use Synthetic Division to Divide (12+5x3−11x−18x2)÷(x−4)\left( 12 + 5 x ^ { 3 } - 11 x - 18 x ^ { 2 } \right) \div ( x - 4 )(12+5x3−11x−18x2)÷(x−4)

Use Synthetic Division to Divide $\left( 12 + 5 x ^ { 3 } - 11 x - 18 x ^ { 2 } \right) \div ( x - 4 )$